81011190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207721}}^1$

素因数の和:207744

約数の個数: 32

約数和(自身を含む): 209383776

約数和(自身を除く): 128372586

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 207721, 415442, 623163, 1038605, 1246326, 2077210, 2700373, 3115815, 5400746, 6231630, 8101119, 13501865, 16202238, 27003730, 40505595, 81011190]

約数ペア:

[(1, 81011190), (2, 40505595), (3, 27003730), (5, 16202238), (6, 13501865), (10, 8101119), (13, 6231630), (15, 5400746), (26, 3115815), (30, 2700373), (39, 2077210), (65, 1246326), (78, 1038605), (130, 623163), (195, 415442), (390, 207721)]